کتاب های Dennis R. Preston
Variation in Second Language Acquisition: Volume 1: Discourse and Pragmatics
Susan Gass, Carolyn Madden, Dennis Preston, 1989
Variation in Second Language Acquisition: Volume 2: Psycholinguistic Issues
Susan Gass, Carolyn Madden, Dennis Preston, 1989
A Reader in Sociophonetics
Dennis R. Preston, 2010
Handbook of Perceptual Dialectology ~ Volume 1
Dennis R. Preston, 1999
